Home / 132,884.43-183,424.95-79,186.29

Finding the Fourth Proportional to 132,884.43, 183,424.95 and 79,186.29

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Solution

The fourth proportional to 132,884.43, 183,424.95 and 79,186.29 is: 109,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,884.43 : 183,424.95 = 79,186.29 : x
  2. Step 2: Convert to fraction form
    132,884.43/183,424.95 = 79,186.29/x
  3. Step 3: Cross multiply
    132,884.43x = 183,424.95 × 79,186.29
  4. Step 4: Simplify right side
    132,884.43x = 14,524,741,283.94
  5. Step 5: Solve for x
    x = 14,524,741,283.94/132,884.43
  6. Step 6: Final answer
    x = 109,303.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.